Harley Pasternak is a celebrity trainer and nutrition expert who has worked with stars from Halle Berry and Lady Gaga to Robert Pattinson and Robert Downey Jr. He’s also a New York Times best-selling author, with titles including The Body Reset Diet and The 5-Factor Diet. His new book 5 Pounds is out now. Tweet him @harleypasternak.

When you’re a supermodel celebrating your special day in a gorgeous island locale with shimmering blue waters and lush palm trees, the usual ice-cream cake just won’t do. (Also it would melt pretty fast under the hot sun!)Read More